<template>
  <h1>一个人的信息</h1>
  <h2>姓名:{{name}}</h2>
  <h2>年龄:{{age}}</h2>
  <h3>工作种类:{{job.type}}</h3>
  <h3>工作薪水:{{job.salary}}</h3>
  <button @click="changeInfo">修改人的信息</button>
</template>

<script>
import {ref} from 'vue'
export default {
  name: 'App',
  setup(){
    //数据
    let name = ref('张三')
    let age = ref(18)
    let job = ref({
       type:'前端工程师',
       salary:'30k'
    })
    

    //方法
    function changeInfo(){
      name.value = '李四'
      age.value = 48
      job.value.type = 'UI工程师'
      job.value.salary = '60k'
    }
    
    //返回一个对象（常用）
    return {
      name,
      age,
      job,
      changeInfo
    }
    
  }
}
</script>


